Revert "Intel thunderbolt firmware versioning convention updated (#73…

[CragW]

This reverts commit 5f2c1018473457cb5da1e29f6f13ccbcafc5ed4e.

Type of pull request:

• [ ] New plugin (Please include new plugin checklist)
• [x] Code fix
• [ ] Feature
• [ ] Documentation

[CragW]

Revert versioning convention on Intel thunderbolt device; So we can (1) expose the firmware type in the displaying version, and (2) keep nvm_version from thunderbolt driver in sync with fwupd. Adding @westeri.

[westeri]

Looks good to me, thanks.